chore(deps): update actions/setup-go action to v5.5.0

Author: renovate[bot]

.github/workflows/charm_integration_test.yml

@@ -122,7 +122,7 @@ jobs:
           channel: 5.21/stable
 
       - name: Setup Go
-        uses: actions/setup-go@v5.3.0
+        uses: actions/setup-go@v5.5.0
         with:
           go-version: 1.24.0